IP Library Granted Patent US 10,490,008
Granted Patent B2
US 10,490,008 · App. 16/141,510 · Granted Nov 26, 2019

Method for selectively opening a second lock from a first lock using short-range communications (SRC)

Inventors: Sumanth Kumar Mukundala (Telangana, IN); Adam Kuenzi (Silverton, OR)
Assignee: CARRIER CORPORATION
G07C9/00309G07C9/00817G07C9/00857H04L63/083H04W4/80G07C2009/00523G07C2009/00825G07C2009/00865
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Quick Facts
Patent No.
US 10,490,008
App. No.
16/141,510
Granted
Nov 26, 2019
Kind
B2
Abstract

A method is disclosed for selectively opening a second lock of a plurality of locks from a first lock of the plurality of locks using short-range communications (SRC), the method including the first lock performing steps of: receiving a first credential from a portable smart device, determining if a plurality of locks is implicated in the first credential, and when the plurality of locks is implicated by the first credential, the first lock performs steps of: unlocking, and forwarding the first credential to the second lock for determining whether to unlock.

Claims (74)

1. A system for selectively opening a second lock from a first lock using short-range communications (SRC),

the system being disposed in a building that includes at least a partition divided into a plurality of rooms, including a first room and a second room, the plurality of rooms including a respective plurality of egress doors, wherein the first room includes a first door and the second room includes a second door,

the system comprising:

a plurality of locks including the first lock for locking the first door and the second lock for locking the second door, the plurality of locks communicating with short range communication (SRC) protocols,

wherein the first lock:

receives a first credential from a portable smart device,

determines if the plurality of locks is implicated in the first credential, and

when the plurality of locks is implicated by the first credential, the first lock:

unlocks, and

forwards the first credential to the second lock.

2. The system of claim 1 , wherein when the plurality of locks is implicated by the first credential:

after the first lock unlocks and before the first lock forwards the first credential to the next lock, the first lock determines if the first door is opened, wherein the first lock forwards the first credential to the second lock only after the first door is opened.

3. The system of claim 2 , wherein:

before the first lock determines whether the plurality of locks is implicated by the first credential, the first lock determines a class of access associated with the first credential, wherein when the class of access provides general access, the first lock opens and does not forward the first credential to the second lock.

4. The system of claim 3 , wherein before the first lock determines the class of access associated with the first credential, the first lock determines whether the first credential is valid.

5. The system of claim 4 , wherein the plurality of rooms includes a third room, the plurality of egress doors includes a third door for the third room, and the plurality of locks includes a third lock for locking the third door, and

wherein the second lock:

receives the first credential from the first lock,

determines if the plurality of locks is implicated by the first credential,

wherein when the plurality of locks are implicated by the first credential, the second lock:

forwards the first credential to the third lock.

6. The system of claim 5 , wherein the second lock determines if the second lock is implicated by the first credential, wherein when the second lock is implicated by the first credential, the second lock unlocks.

7. The system of claim 6 , wherein when the second lock is implicated by the first credential, before the second lock forwards the first credential to the third lock, the second lock determines whether the second door is opened, wherein the second lock forwards the first credential to the third lock only after the second door is opened.

8. The system of claim 7 , wherein the third lock:

receives the first credential from the second lock,

determines if the third lock is implicated by the first credential, and

wherein when the third lock is implicated by the first credential, the third lock opens.

9. The system of claim 1 , wherein the plurality of rooms includes a third room, the plurality of egress doors includes a third door for the third room, and the plurality of locks includes a third lock for locking the third door, and

wherein the second lock and third lock concurrently:

receive the first credential from the first lock,

wherein the second lock:

determines if the second lock is implicated by the first credential, and

when the second lock is implicated by the first credential, the second lock opens; and

wherein the third lock:

determines if the third lock is implicated by the first credential, and

when the third lock is implicated by the first credential, the third lock opens.

10. The system of claim 2 , wherein the first lock determines if the first door is opened by detecting motion in a first door handle for the first door lock and/or detecting motion in the first door.

11. A method for operating a system for selectively opening a second lock from a first lock using short-range communications (SRC),

the system being disposed in a building that includes at least a partition divided into a plurality of rooms, including a first room and a second room, the plurality of rooms including a respective plurality of egress doors, wherein the first room includes a first door and the second room includes a second door,

the system including:

a plurality of locks including the first lock for locking the first door and the second lock for locking the second door, the plurality of locks communicating with short range communication (SRC) protocols,

wherein the method comprises first lock performing steps of:

receiving a first credential from a portable smart device,

determining if the plurality of locks is implicated in the first credential, and

when the plurality of locks is implicated by the first credential, the first lock performs steps of:

unlocking, and

forwarding the first credential to the second lock.

12. The method of claim 11 , wherein when the plurality of locks is implicated by the first credential:

after unlocking and before forwarding the first credential to the next lock, the first lock determines if the first door is opened, wherein the first lock forwards the first credential to the second lock only after the first door is opened.

13. The method of claim 12 , wherein:

before determining whether the plurality of locks is implicated by the first credential, the first lock determines a class of access associated with the first credential, wherein when the class of access provides general access, the first lock opens and does not forward the first credential to the second lock.

14. The method of claim 13 , wherein before the first lock determines the class of access associated with the first credential, the first lock determines whether the first credential is valid.

15. The method of claim 14 , wherein the plurality of rooms includes a third room, the plurality of egress doors includes a third door for the third room, and the plurality of locks includes a third lock for locking the third door, and

wherein the second lock:

receives the first credential from the first lock,

determines if the plurality of locks is implicated by the first credential,

wherein when the plurality of locks are implicated by the first credential, the second lock:

forwards the first credential to the third lock.

16. The method of claim 15 , wherein the second lock determines if the second lock is implicated by the first credential, wherein when the second lock is implicated by the first credential, the second lock unlocks.

17. The method of claim 16 , wherein when the second lock is implicated by the first credential, before the second lock forwards the first credential to the next lock, the second lock determines whether the second door is opened, wherein the second lock forwards the first credential to the third lock only after the second door is opened.

18. The method of claim 17 , wherein the third lock:

receives the first credential from the second lock,

determines if the third lock is implicated by the first credential, and

wherein when the third lock is implicated by the first credential, the third lock opens.

19. The method of claim 11 , wherein the plurality of rooms includes a third room, the plurality of egress doors includes a third door for the third room, and the plurality of locks includes a third lock for locking the third door, and

wherein the second lock and third lock concurrently:

receive the first credential from the first lock,

wherein the second lock:

determines if the second lock is implicated by the first credential, and

when the second lock is implicated by the first credential, the second lock opens; and

wherein the third lock:

determines if the third lock is implicated by the first credential, and

when the third lock is implicated by the first credential, the third lock opens.

20. The method of claim 12 , wherein the first lock determines if the first door is opened by detecting motion in a first door handle for the first door lock and/or detecting motion in the first door.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 11, 2024
From: CARRIER CORPORATION
To: HONEYWELL INTERNATIONAL INC.
Reel/Frame 069175/0204 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 25, 2018
From: MUKUNDALA, SUMANTH KUMAR
To: UTC FIRE & SECURITY INDIA LTD.
Reel/Frame 046967/0211 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 25, 2018
From: KUENZI, ADAM
To: CARRIER CORPORATION
Reel/Frame 046967/0216 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 25, 2018
From: UTC FIRE & SECURITY INDIA LTD.
To: CARRIER CORPORATION
Reel/Frame 047147/0887 →
Priority Claims (1)
IN 201811005930 · Feb 16, 2018 · national
Continuity (1)
Related Publication 20190259231A1 · Aug 22, 2019